57142504 has 32 divisors (see below), whose sum is σ = 111628800. Its totient is φ = 27397440.

The previous prime is 57142493. The next prime is 57142513. The reversal of 57142504 is 40524175.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19657 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (3488400).

Almost surely, 2^57142504 is an apocalyptic number.

It is an amenable number.

57142504 is a deficient number, since it is larger than the sum of its proper divisors (54486296).

57142504 is a wasteful number, since it uses less digits than its factorization.

57142504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 57142504 is about 7559.2661019440. The cubic root of 57142504 is about 385.1705636562.

Adding to 57142504 its reverse (40524175), we get a palindrome (97666679).

The spelling of 57142504 in words is "fifty-seven million, one hundred forty-two thousand, five hundred four".